/*
 *  jQuery.observeHashChange (Version: 1.0)
 *
 *  http://finnlabs.github.com/jquery.observehashchange/
 *
 *  Copyright (c) 2009, Gregor Schmidt, Finn GmbH
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a
 *  copy of this software and associated documentation files (the "Software"),
 *  to deal in the Software without restriction, including without limitation
 *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit persons to whom the
 *  Software is furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 *  DEALINGS IN THE SOFTWARE.
 **/
(function(b){var d=null,c="jQuery.hashchange";b.fn.hashchange=function(a){b(window).bind(c,a);return this};b.observeHashChange=function(a){var c=b.extend({},b.observeHashChange.defaults,a);if(g())k();else i(c)};var a=d,e=d,f=0;b.observeHashChange.defaults={interval:100};function g(){return"onhashchange"in window}function k(){a=document.location.hash;window.onhashchange=h}function h(){var d=a;a=document.location.hash;b(window).trigger(c,{before:d,after:a})}function i(b){if(a==d)a=document.location.hash;e!=d&&clearInterval(e);if(f!=b.interval){e=setInterval(j,b.interval);f=b.interval}}function j(){if(a!=document.location.hash){var d=a;a=document.location.hash;b(window).trigger(c,{before:d,after:a})}}b.observeHashChange()})(jQuery);